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Haze particle formation simulator

An analog meter, particle technology

Active Publication Date: 2018-11-13
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The research on the causes of haze particles is mostly based on the atmospheric composition parameters provided by the meteorological and other relevant departments when the haze weather occurs, and analysis and inference from the possible chemical reactions and other levels. There is a lack of direct experimental data, and the haze particles cannot be effectively studied. Formation and Structural and Compositional Evolution Processes

Method used

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  • Haze particle formation simulator
  • Haze particle formation simulator

Examples

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Embodiment 1

[0030] In this example, see figure 1 and figure 2, a haze particle formation simulator, comprising a combustion furnace 1, a console 2, a simulated growth chamber 3, an air pump 4, an air purifier 5 and a haze particle collector 34; A dedicated pipeline communicates with the simulated growth chamber 3, and the combustion furnace 1 also communicates with the air cleaner 5 through a second dedicated pipeline with controllable on-off, and the air cleaner 5 also communicates with the air cleaner 5 through a third dedicated pipeline with controllable on-off. The combustion furnace 1 is connected;

[0031] A three-way valve 19 with a cut-off valve is set at the connection node position of the first dedicated pipeline, the second dedicated pipeline and the third dedicated pipeline as a fluid delivery control device to control the controllable on-off state of the corresponding pipeline for Change medium flow direction; temperature control device, humidifier and pressure gauge 23 ar...

Embodiment 2

[0058] This embodiment is basically the same as Embodiment 1, especially in that:

[0059] In this embodiment, in this embodiment, see figure 1 , the gas charged into the simulated growth chamber 3 through the upper feed port 11 is any gas or any mixed gas in sulfur dioxide, nitrogen dioxide and nitrogen; the solid fed into the simulated growth chamber 3 through the upper feed port 11 The ultra-fine powder is the mixed dust in the gas fume and calcium carbonate powder; the volatile liquid input into the simulated growth chamber 3 by the side feed port 7 is ammonia water; the temperature, pressure, humidity, wind speed and light intensity of the simulated growth chamber 3 are detected and controlled , to simulate the outdoor environment where haze is formed, and simulate the formation of a single haze particle or a mixed system of multiple haze particles. This embodiment provides a simulation experiment device with scientific and reasonable structure, good simulation experimen...

Embodiment 3

[0061] This embodiment is basically the same as the previous embodiment, and the special features are:

[0062] In this embodiment, the smog particles form a simulator to simulate the environmental changes in the growth chamber 3 to simulate the dynamic evolution process of weather conditions over time and atmospheric conditions, to cultivate and grow smog particles with different compositions and structures, and Conduct regular sampling and analysis of haze particles. This embodiment provides a simulation experiment device with scientific and reasonable structure, good simulation experiment effect, simple operation, low cost, high efficiency, and easy implementation. Direct experimental data can be obtained through simulation experiments, a scientific and reasonable mathematical model can be established, and the atmosphere can be simulated. The dynamic process of evolution, analyze and study the evolution history of particulate matter in the atmosphere, enrich the boundary co...

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Abstract

The invention discloses a haze particle formation simulator which comprises a combustion furnace, a control console, a growth simulation chamber, a light shield, a sucking pump, a flow meter, a three-way valve with a stop valve, a haze particle collector and an air purifier, wherein the growth simulation chamber is fixed on the control console; the combustion furnace, the growth simulation chamberand the air purifier are connected into a system by the sucking pump; the three-way valve with the stop valve realizes independent operation of a smoke dust source supply channel and a haze particlecollection channel; multiple feeding holes and an exhaust valve are formed in the growth simulation chamber, and the growth simulation chamber is equipped with temperature, humidity, airspeed and light intensity detection sensors as well as a light source, a fan and a supercharging balloon; and a temperature control device, a humidifier and a pressure gage are arranged in the control console. By detecting and regulating the temperature, pressure, humidity, airspeed and light intensity in the growth simulation chamber, the outdoor environment formed by haze is simulated, a research is conductedon formation of single haze particles or a multi-haze particle mixing system, and the haze particle formation simulator has obvious value on treatment of the atmospheric environment.

Description

technical field [0001] The invention relates to an atmospheric experimental analysis instrument, in particular to an experimental analysis instrument for smog, which is applied in the technical fields of meteorological analysis and ecological atmospheric environment treatment. Background technique [0002] In recent years, smog weather has occurred more and more frequently, causing air quality to decline, deteriorating the ecological environment, and bringing greater harm and impact to human health and life. On the one hand, due to factors such as reduced visibility, smog has an important impact on road traffic, air transportation, power supply systems, and crop growth; on the other hand, it will invade the human body with breathing, causing respiratory system, cardiovascular system, Blood system, reproductive system and other diseases. Among the components of smog, solid particles account for a large proportion, are complex in composition, and are easy to carry germs. Afte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01L1/00G01N15/00
CPCB01L1/00G01N15/00
Inventor 胡鹏飞马村成谢忱李榕
Owner SHANGHAI UNIV
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